Monday
October 20, 2014

Posts by anon


Total # Posts: 1,384

Spanish
Can you double check if I followed the directions correctly this time too and the answers were correct. Give the correct form of the appropriate verb, saber or conocer, which would be used in writing the following sentences in Spanish.Be sure the verb is written in the correct...
March 25, 2011

Spanish
once x cien = mil cien once x cien = Mil ciento which on is right??
March 25, 2011

Spanish
1. Choose the correct Spanish translation for: “Vincent introduced himself to Rose.” A. Vicente me presentó con Rosa. B. Vicente presentó Rosa él. C. Vicente se presentó con Rosa. D. Vicente me presentó Rosa. 2. Choose the correct ...
March 25, 2011

Spanish( corrected the questions answer.)
Porque él ya había visto la película, él sabia lo que pasó
March 24, 2011

Spanish
Give the correct form of the appropriate verb, saber or conocer, which would be used in writing the following sentence in Spanish. 2. Because he had already seen the movie, he knew what happened? El ya sabía lo que pasaba porque ya vio la película. would the ...
March 24, 2011

Physics
A skier (m=61.0 kg) starts sliding down from the top of a ski jump with negligible friction and takes off horizontally. If h = 7.70 m and D = 11.4 m, find H. Find her total kinetic energy as she reaches the ground.
March 24, 2011

Spanish
Una noche, cuando yo era chica, miré por la cerradura de una puerta y esto es lo que ví: ví una mesa, ví una silla, ví un cojín, y ví una vela. La mesa estaba sobre el piso, la silla estaba sobre la mesa, el cojín estaba ...
March 24, 2011

Spanish (please correct me if I'm still wrong)
Give the correct form of the appropriate verb, saber or conocer, which would be used in writing the following sentences in Spanish. 12. Maria knew everyone. 13. Because he had already seen the movie, he knew what happened? 14. The student knows the answer. 15. He knows Bach&#...
March 24, 2011

Spanish
would 3 be like this Lo estudiantes saben la respuesta. and are the rest correct?
March 23, 2011

Spanish
is this right?? 1- Conocía-- (María conocía a todos) 2- Sabía-- (El ya sabía que pasaba porque ya vio la película) 3-Saben-- (Los estudiantes saben la respuesta) 4-Conoce-- (Él conoce la música de Bach) 5-Sabes-- (¿...
March 23, 2011

Spanish
Give the correct form of the appropriate verb, saber or conocer, which would be used in writing the following sentences in Spanish. 12. C Maria knew everyone. 13. S Because he had already seen the movie, he knew what happened? 14. S The student knows the answer. 15. C He knows...
March 23, 2011

Spanish
Conjugate the following irregular verbs in the simple present tense (Indicative).? >> are my answers correct. tener (to have) yo >> tengo tener (to have) nosotros >> tenemos venir (to come) tu >> vienes venir (to come) nosotros >> venimos salir (...
March 22, 2011

Spanish
Which is the correct substitute for the underlined words? Hablamos de los príncipes.( los príncipes is underlined). A)éstas B)éstos C)están D)éstan El duque ama a la duquesa. ( la duquesa is underlined) A)esta B)estás C)é...
March 22, 2011

Spanish
It's not url it's a pharagraph. I think it's because I copy pasted it ?
March 19, 2011

(ignore) I cant post because of url dont know why?
Spanish
March 19, 2011

Spanish
The following paragraph describes what some may consider to be a typical North American tourist. It reflects one opinion only. North Americans whovisit foreign countries do not commonly fit this description. Read the paragraph. Then write your answersin English on the answer ...
March 19, 2011

Spanish
? Select the number which best completes this sequence: 200, 400, 600 A. ochocientos <<> my answer B. diez y ocho C. ochenta D. octocientos Which of the following is the Spanish equivalent of 1,946? A. un mil noventa cuatro y seis B. uno nueve cuatro seis C. ...
March 19, 2011

Spanish
Muchas gracias
March 19, 2011

Spanish
I'm not sure if this is the proper way to write the numbers in spanish . can you correct any mistakes please. 6. dos x cien = doscientos 7. tres x cien = trescientos 8. cinco x cien = quinientos 9. ocho x cien = ochocientos 10. nueve x cien = novecientos 11. quince x diez...
March 19, 2011

Spanish
Each of the Spanish sentences below is incorrect in either grammar or meaning. Rewrite each sentence correctly. 1.La princesa todavía canta. The princess used to sing. my answer: La pincesa cantaba. 2.¿Con quién llora la reina? Who does the queen sing with...
March 19, 2011

Spanish
Each of the Spanish sentences below is incorrect in either grammar or meaning. Rewrite each sentence correctly 1. El rey que canta está tocando el tambor. The king that used to sing is playing the drum. Can you check my answer: El rey que cantaba está tocando el ...
March 19, 2011

Spanish
Choose the grammatically correct sentence. A. He aquí una blanca cosa. B. He aquí las cosas blancas.<<> my answer C. He aquí unas cosas blanca. D. He aquí la cosas blancas. Can you explain to me the difference between the choices.
March 18, 2011

algebra
the equation of line is y=mx+c where m is the slope of the lines i.e inclination on x axis . since both the lines have the same slope i.e 2, they r parallel to each other.
March 18, 2011

science
bcoz of the latitudes and longitudes.
March 18, 2011

Spanish
Choose the grammatically correct sentence. A. Está cosa es un lápiz amarillo.<<X B. Esta cosa es un lápiz amarillo. C. Esta cosa es una lápiz amarilla. D. Esta cosa es unas lápiz amarilla. <<X Not sure between B or C un or una ??
March 18, 2011

Spanish
Choose the sentence which correctly says "He doesn't like to eat." A. Gusta no comer. B. El no gusta comer. C. Comer no gusta. D. No le gusta comer.<<?
March 18, 2011

Algebra II
Thank you c:
March 17, 2011

Algebra II
I first want to make it clear that I have only taken Geometry, Algebra I, and pre-Algebra. That seemed to clear things up last time. Question: Matt bought a car at the cost of 25,000 dollars. This car's value goes down 15% every year. 1. What is the decay factor? 2. Write ...
March 17, 2011

algebra
no
March 17, 2011

Spanish
Choose the sentence which correctly says "The king doesn't like to smoke." A. Al rey no le quiere fumar. B. Al rey no le gusta fumar. C. El rey no gusta fumar. D. El rey no quiere fumar.
March 17, 2011

Spanish
8 - B Africa doesn't change size, not used as location here. Africa is not as large as Eurasia. 7 - C
March 16, 2011

Spanish
Because underline doesn't show I will replace the underline with parentheses. I hope it's less confusing. 6. Choose the sentence in which the underlined word is grammatically correct. A. Esta varilla negra (está) parada sobre otra cosa negra. B. Esta varilla ...
March 16, 2011

Spanish (double check my work please)
the words with ("") are underlined.
March 16, 2011

Spanish (double check my work please)
Choose the sentence in which the "" word is grammatically correct. A. Esta varilla negra "está" parada sobre otra cosa negra. B. Esta varilla negra "esta" parada sobre otra cosa negra. C. Esta varilla negra "es" parada sobre otra ...
March 16, 2011

Calculus (double check my anser please)
Evaluate integral e^3x cosh 2x dx. A.1/2 e^5x + 1/2 e^x + C B.1/10 e^5x + 1/2e^x + C<<< my answer C.1/4e^3x + 1/2 x + C D.1/10 e^5x + 1/5 x + C
March 13, 2011

Calculus (Please Check my answers)
thank you so much MathMate .
March 13, 2011

Calculus (Please Check my answers)
Find the average value of the function i=15(1-e to the power of -1/2 t) from t=0 and t=4? A.7.5(1+e^-2)<< my answer B.7.5(2+e^-2) C.7.5(2-e^-2) D.7.5(3-e^-2) Find the rms value of the function i=15(1-e to the power of -1/2 t) from t=0 and t=4? A.7.5 sqrt 1+4e^-2 -e^-4 &...
March 13, 2011

Calculus (please check my answer)
Find the Avrage value of the function i=15(1-e to the power of -1/2 t) from t=0 and t=4? A.7.5 sqrt 1+4e^-2 -e^-4 <<<<not sure though B.7.5 sqrt 4-2e^-2 + e^-4 C.7.5 sqrt 4+4e^-2 - e^-4 D.7.5 sqrt 5-2e^-2 + e^-4
March 13, 2011

Calculus (double check )
Find the centroid of the area bonded by the parabola y =4-x^2 and the x-axis? A.(0,1.6) <<<< correct? B.(0,1.7) C.(0,1.8) D.(0,1.9)
March 13, 2011

calculus
Find the area under one arch of a cycloid described by the parametric equations x=3(2theta -sin2theta) & y=3(1-cos2theta) use 0 and pi for te limiting values of. A.9pi B.18pi C.27pi D.36pi
March 13, 2011

Calculus
Evaluate (integer sign)dx/sqrt9-8x-x^2 A.sin^-1 (x + 4/5) + C B.sin^-1 (x - 4/5) + C C.Ln Sqrt9-8x-x^2 + C D.Ln (-8 - 2x) + C B or C ?
March 13, 2011

Calculus
C ?
March 12, 2011

Calculus
1.evaluate (integral sign)x cos 3x dx A.1/6 x^2 sin 3x + C B.1/3 x sin 3x -1/2 sin 3x +C C.1/3 x sin 3x +1/9 cos 3x +C << my choice. D. 1/2 x^2 +1/18 sin^2 3x +C 2.evaluate (integral sign)xe(power of 2x)dx A.1/6 x^2 e(to the power of 3x)+C B.1/2 xe(to the power of 2x)-1/...
March 12, 2011

Calculus (check)
Evaluate (integer sign)dx/sqrt9-8x-x^2
March 12, 2011

Calculus (check)
Evaluate ç dx/sqrt9-8x-x^2 A.sin^-1 (x + 4/5) + C B.sin^-1 (x - 4/5) + C C.Ln Sqrt9-8x-x^2 + C D.Ln (-8 - 2x) + C B or C ?
March 12, 2011

calculus
Thank you.
March 12, 2011

calculus
Which of the following is a step in evaluating ç(integer sign) cos^2 5x dx A.ç(integer sign) 1 + cos 10x / 2 dx B.ç(integer sign) 1 - cos 10x / 2 dx C.ç(integer sign) 1 + cos 10x / 20 dx D.ç(integer sign) 1 - cos...
March 12, 2011

Calculus (fixed the typo )
A line rotates in a horizontal plane according to the equation theta=2t^3 -6t,where theta is the angular position of the rotating line, in radians ,and t is the time,in seconds. Determine the angular acceleration when t=2sec. A.) 6 radians per sec^2 B.) 12 radians per sec^2 C...
March 12, 2011

Calculus PLEASE check my work ,
1.) which of the following represents dy/dx when y=e^-2x Sec(3x)? A.3e^-2x sec(3x) tan (3x)-2e^-2x Sec(3x)<<<< my choice B.)3e^-2x sec(3x)tan (3x)-2xe^-2x sec(3x) C.)3e^-2x sec(3x)tan (x)-2e^-2x Sec(3x) D.)3e^-2x sec(3x)tan (x)-2xe^-2x sec(3x) 2.)calculate dy/dx if...
March 12, 2011

Trigonometry
I really need help with this trigonometry question.please any help is appreciated. 1.I have to draw the graph of y=cos x from 0deg to 360deg. 2.Be sure to show a table of vales similar to the this table. colum X l colum :y=sinx 0 l 0.00 pi/10 l 0.31 pi/5 l 0.59 3pi/10 l 0.81 ...
March 7, 2011

Calculus 12th grade (double check my work please)
1.) which of the following represents dy/dx when y=e^-2x Sec(3x)? A.3e^-2x sec(3x) tan (3x)-2e^-2x Sec(3x)<<<< my choice B.)3e^-2x sec(3x)tan (3x)-2xe^-2x sec(3x) C.)3e^-2x sec(3x)tan (x)-2e^-2x Sec(3x) D.)3e^-2x sec(3x)tan (x)-2xe^-2x sec(3x) 2.)calculate dy/dx if...
March 7, 2011

Calculus 12th grade (double check my work please)
2- given the curve is described by the equation r=3cos ¥è, find the angle that the tangent line makes with the radius vector when ¥è=120¨¬. A. 30¨¬ B. 45¨¬ C. 60¨¬ D. 90¨¬ not sure A or D 2.) which of the following ...
March 6, 2011

Calculus 12th grade (double check my work please)
1.)Find dy/dx when y= Ln (sinh 2x) my answer >> 2coth 2x. 2.)Find dy/dx when sinh 3y=cos 2x A.-2 sin 2x B.-2 sin 2x / sinh 3y C.-2/3tan (2x/3y) D.-2sin2x / 3 cosh 3yz...>> my answer. 2).Find the derivative of y=cos(x^2) with respect to x. A.-sin (2x) B.-2x sin (x^2...
March 6, 2011

Calculus 12th grade.
1. A body is moving along a straight line with a velocity which varies according to the equation v=9t^2+2t, where v is in feet per second and t is in seconds. Find the expression for the distance as a function of time. A. 3t^3+t^2+C B. 3t^3+2t^2+C C. 18t+C D. 20t+C My answer ...
March 5, 2011

Calculus 12th grade.
Find the area lying above the x axis and below the parabolic curve y= 4x -x^2 a.8 b. 8 1/3 c. 10 2/3 d. 16 B or C not sure??
March 5, 2011

12th grade Trigonometry
Solve this trigonometric equation.give all positive values of the angle between 0deg and 360deg that will satisfy. Give any approximate value to the nearest minute only. 3 sin theta - 4 cos theta = 2
March 4, 2011

Trigonometry(please Clarify)
Thank you and yes I'm.
March 4, 2011

Trigonometry(please Clarify)
I posted before ; Write equivalent equations in the form of inverse functions for a.)x=y+cos theta b.)cosy=x^2 my answers were a.) x= y+ cos theta cos theta = x-y theta = cos^-1(x-y) b.) cosy=x^2 cos(y) = x^2 y = Cos^-1(x^2) your post confused me a little. Can you clarify if ...
March 4, 2011

Trigonometry(correction)
3 sin theta - 4 cos theta = 2
March 3, 2011

Trigonometry
Solve the following trig equations. Give all positive values of the angle between 0 degrees and 360 degrees that will satisfy each. Give any approximate value to the nearest minute only. 3 sin è - 4 cos è = 2 Can you please help me with this one.
March 3, 2011

Trigonometry (repost Reiny)
at 1:35am I posted ; Write equivalent equations in the form of inverse functions for a.)x=y+cos theta b.)cosy=x^2 my answers were a.) x= y+ cos theta cos theta = x-y theta = cos^-1(x-y) b.) cosy=x^2 cos(y) = x^2 y = Cos^-1(x^2) your post confused me a little. Can you clarify ...
March 3, 2011

trigonometry (please double check this)
Answer for b. 29deg 5',239deg 5',38deg 40',218deg 40'. can you plz check if i messed anything.
March 3, 2011

trigonometry (please double check this)
Solve the following trig equations. give all the positive values of the angle between 0 degrees and 360 degrees that will satisfy each. give any approximate value to the nearest minute only. a.) ( I got confused doing this 1 can you help me with it.) 3 sin theta - 4 cos theta...
March 3, 2011

trigonometry (please double check this)
""Į "" is supposed to be theta.
March 3, 2011

trigonometry (please double check this)
Solve the following trig equations. give all the positive values of the angle between 0 degrees and 360 degrees that will satisfy each. give any approximate value to the nearest minute only. 1. sin2Į = (sqrt 3)/2 2. sin^2Į = cos^2Į + 1/2 3. ...
March 3, 2011

Trigonometry
Write equivalent equations in the form of inverse functions for a.)x=y+cos è b.)cosy=x^2 (can you show how you would solve) a.) x= y+ cos è cos è = x-y theta = cos^-1(x-y) b.) cosy=x^2 cos(y) = x^2 y = Cos^-1(x^2)
March 3, 2011

geometry
what are the polar coordinates of the point k(-1,-sqrt3)? a.(2,60deg) b.(2,240deg) << right?
March 2, 2011

geometry
correct me if I'm wrong please. 7. what is the equation of the line which passes through c(2,3) and has a slope m =1/2? a.)x-2y=-4 <<<<< my choice b.)2x-y =1 c.)2x+y=7 d.)x+2y=8 what is the equation of the line which passes through point d(-4,2) and has ...
March 2, 2011

trigonometry repost .
This is an outline that i have to use to find the solution of the question. It involves logarithms and half-angle formulas.I have worked though it but got stuck on some parts. I'd like if you look over my work. solve the triangle for which given parts are a=27 ,b=21 ,c=24 ...
March 1, 2011

trigonometry
that was a typo its 15.5 which makes the log entry correct. =3.22875 log s =1.56229 subtract. -------- 2)1.66646 <<.. then divide by 2 = -------- log r =0.83323 the reason why i posted the out line was because they did not match. and i didn't understand how you got ...
February 28, 2011

trigonometry
This is an outline that i have to use to find the solution of the question. It involves logarithms and half-angle formulas.I have worked though it but got stuck on some parts. I'd like if you look over my work. solve the triangle for which given parts are a=27 ,b=21 ,c=24 ...
February 28, 2011

Physics
when a .187 kg mass is attached to a vertical spring it causes the spring to stretch distance d. if the mass is now displaced slightly from equilibrium, it is found to make 223 oscillations in 157s. Find the stretch distance d.
February 28, 2011

Trigonometry /Logarithms (brace yourself)
This is an outline that i have to use to find the solution of the question. It involves logarithms and half-angle formulas.I have worked though it but got stuck on some parts. I'd like if you look over my work. solve the triangle for which given parts are a=27 ,b=21 ,c=24 ...
February 28, 2011

trigonometry
an example problem showed the following log tan A/2 = 9.54435 - 10 A= 38 deg 36' 12" Now i want to do the same. log tan A/2 = 9.85551 - 10 A= ?? I don't know how to convert tan into degrees can you help me.
February 27, 2011

Writing
okay i have this writing assignment on how drunk driving can be stopped .. i have like three sentences to complete it and these three sentences are to explain how/what harsher penalties can help in stopping drunk driving.. I'm stuck because the following are already the ...
February 27, 2011

cosines
I don't know how to reverse cosine decimals into angles. Can you please explain and help me solve these . cos A= 0.28571428571 A= cos B= 0.66666666667 B= cos C= 0.5238089523
February 27, 2011

trigonometry (repost) Mathmate
Use logarithms and the law of tangents to solve the triangle ABC, given that a=21.46 ft, b=46.28 ft, and C=32°28'30" Using the previous values, a=21.46 b=46.28 C=32-28-30=32.475 We have A+B=180-32.475=147.525 a+b=67.74 a-b=-24.82 tan((A+B)/2)=3.433633 tan((A-B)/2...
February 27, 2011

trigonometry
Use logarithms and the law of tangents to solve the triangle ABC, given that a=21.46 ft, b=46.28 ft, and C=32°28'30" I have to use logarithms and law of tangents . and then provide the check. which says law of sine or mollweids equation. I can't us the cosine ...
February 26, 2011

trigonometry (repost) Mathmate
I want to start by saying thank you . You have no idea how much u have helped me understand logarithms, even better then the books i have (it poorly explains the subject of trigonometry let alone logarithms and antilog). Your last explanation was very clear and i even ...
February 26, 2011

trigonometry
Use logarithms and the law of tangents to solve the triangle ABC, given that a=21.46 ft, b=46.28 ft, and C=32°28'30" Also Give checks. I know the use of logarithms is unnecessary but i have to show my solution by using logarithms and thats the only reason I'm ...
February 24, 2011

Algebra 2
In Kentucky, where i am from, we do algebra and algebra two before pre-cal and calculus. I didnt realize that the problem could be solved in multiple ways and i apologise. But the solution should be done without calculus.
February 24, 2011

Algebra 2
I already looked over what you had posted. Unfortunatly, i didnt quite understand what you had said.
February 24, 2011

Algebra 2
A company charges 16$ for a subscription. It has 30,000 subscribers. It looses 1,000 subscribers for every 1$ they raise the price. 1.Find the quadratic quation. (Can you tell me how to pull the numbers out of the question and put it into the equation?) Find the rate at 16$. (...
February 24, 2011

Science
Sand is silicon dioxide, or SiO2, therefore you must be Silcon or Si.
February 24, 2011

Trigonometry (Logarthims)
Give checks to the following two questions Use logarithms and the law of tangents to solve the triangle ABC, given that a=21.46 ft, b=46.28 ft, and C=32°28'30" without logarithms i can do this problem easily and i have. but when i try solving it with logarithms i...
February 24, 2011

trigonometry
Can you please show me the steps: Derive the identity for sin 3x in terms of sin x.
February 24, 2011

trigonometry
255 i guess that makes the first 1 wrong.
February 23, 2011

trigonometry
or sin (255°) = sin (180° + 75°) = - sin 75° [The terminal side of the angle lies in quadrant III, so the sine function is negative.] = - sin (45° + 30°) = - (sin 45°cos 30° + cos 45°sin 30°) [Use sin (A + B) = sin A cos B + cos A sin B...
February 23, 2011

trigonometry
is this correct? sin 255degrees 225 = 180 + 45 sin(225) = sin(180 + 45) = sin(180)cos(45) + cos(180)sin(45) sin(225) = 0 + (-1)(sqrt2/2) sin(225) = -(sqrt2)/2
February 23, 2011

please please i need more ideas in the answer
write a single paragraph which answers this question, “Who is responsible for program planning, the academic advisor or the student? Explain why.”
February 22, 2011

trigonometry
how can i find the anti-logarithm of this number. 5.07843058944 it should be 59477.5 can show me how.
February 21, 2011

trigonometry (MathMate)
okay i was able to get c*sin(A)= 1.8555387 but i was lost after that. I couldn't reproduce the same answers u have. value logarithm c 2.6294096 sin(A) 1̅.8555387 2.4849483 [ADD] sin(C) 1̅.9809493 a 2.5039990 [SUBTRACT] Anti-log 319.1530 (length of c)
February 21, 2011

trigonometry (MathMate)
MathMate i would really appreciate if you can show me where the logarithms can be used.I know they are unnecessary and I already found the answer without them but i still have to show my work using logarithms and they just confuse me. I also have most trouble woth the anti-...
February 21, 2011

trigonometry
1. Finde the area of the following tringles: (use Logarithms) A) a=12.7, b=21.5, c=28.6. i'm not of the answer i got. i got 127.6 if you got something different can you show me how you did while using logarithms.
February 21, 2011

trigonometry
is there anyway i can use logarthims in this problem?
February 20, 2011

trigonometry
i used cosin and got that answer .. I'm i wrong .
February 20, 2011

trigonometry
anyways the area would be 312,918.8
February 20, 2011

trigonometry
i dont know why its asking the url
February 20, 2011

trigonometry
C = 180 - A - B = 180 - 45° 48' 36" - 61° 2' 13" = 73° 9' 11" Law of sines: a/sinA = c/sinC a = c.(sinA/sinC) = 426.(sin(45° 48' 36"))/sin(73° 9' 11")) a = 426*0.749186 a = 319.153
February 20, 2011

trigonometry
okay so i have this trigonometry problem were i HAVE to use logarithms. Now this is my work but can u help me solve it using logarithms. Find the area of the following triangles:(use logarithms) 1) c=426, A=45degrees 48' 36",and B=61degrees 2' 13"
February 20, 2011

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